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How to change the cursor into a hand when a user hovers over a list item?
...irksmode.org/css/user-interface/cursor.html#note (referenced in an earlier comment) states that hand must come after pointer. I recommend using just pointer - IE 5.5 is deader than IE 6.
– Iiridayn
Jul 10 '13 at 21:31
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Obtaining a powerset of a set in Java
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Yes, it is O(2^n) indeed, since you need to generate, well, 2^n possible combinations. Here's a working implementation, using generics and sets:
public static <T> Set<Set<T>> powerSet(Set<T> originalSet) {
Set<Set<T>> sets = new HashSet<Set<T>>(...
Android: How can I validate EditText input?
... edited May 23 '17 at 11:47
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answered May 18 '10 at 9:28
NiksNiks
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How do you get the list of targets in a makefile?
...mpt to improve on @nobar's great approach as follows:
uses a more robust command to extract the target names, which hopefully prevents any false positives (and also does away with the unnecessary sh -c)
does not invariably target the makefile in the current directory; respects makefiles explicitly...
PopupWindow - Dismiss when clicked outside
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@WareNinja , your comment worked! Maybe you would better leave an entire answeir to this quesiton, it would be useful for others
– Anton Kizema
Mar 3 '15 at 18:08
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How to get the caller's method name in the called method?
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How do I display the current value of an Android Preference in the Preference summary?
This must come up very often.
34 Answers
34
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Swapping two variable value without using third variable
... 0011
//So *x is 0011
Should this be used?
In general cases, no. The compiler will optimize away the temporary variable and given that swapping is a common procedure it should output the optimum machine code for your platform.
Take for example this quick test program written in C.
#include &...
Last segment of URL in jquery
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But if the url was become like admin/store/tour/-1/ so it's will be '' string?
– Set Kyar Wa Lar
Aug 20 '14 at 8:39
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Should I put input elements inside a label element?
...oxes, I usually use the third example, where I want the input before the accompanying text and don't want the same kind of fixed width and/or floating that the rest of the labels and fields are using. So on any single given form, you might find me using both of these formats together.
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